Finding the Fourth Proportional to 162,399.72, 243,593.82 and 73,591.05

Step by Step Solution

1. Step 1: Write the proportion equation
   162,399.72 : 243,593.82 = 73,591.05 : x
2. Step 2: Convert to fraction form
   162,399.72/243,593.82 = 73,591.05/x
3. Step 3: Cross multiply
   162,399.72x = 243,593.82 × 73,591.05
4. Step 4: Simplify right side
   162,399.72x = 17,926,324,987.31
5. Step 5: Solve for x
   x = 17,926,324,987.31/162,399.72
6. Step 6: Final answer
   x = 110,383.96